Star-Delta Conversion Calculator Star-Delta Conversion Calculator Convert resistor networks between star (Y) and delta (Δ) configurations. * Choose the conversion type and enter the resistor values in ohms. Step 1: Select Conversion Type and Enter Values Conversion Type: Star to Delta Delta to Star Star (Y) Network Values Resistor \( R_a \) (Ω): Resistor \( […]
Read MoreTee Attenuator Calculator Tee Attenuator Calculator Calculate the resistor values for a resistive tee attenuator using: \[ R_s = Z_0 \times \frac{10^{\frac{A}{20}} – 1}{10^{\frac{A}{20}} + 1}, \quad R_p = \frac{Z_0}{2} \times \frac{10^{\frac{A}{10}} – 1}{10^{\frac{A}{20}}} \] * Enter the desired attenuation (dB) and the system impedance (Ω). Step 1: Enter Parameters Desired Attenuation, \( A \) […]
Read MoreResistivity Temperature Dependence Calculator Resistivity Temperature Dependence Calculator Calculate the resistivity at a new temperature using: \[ \rho = \rho_0 \left[ 1 + \alpha \, (T – T_0) \right] \] * Enter the reference resistivity (Ω·m), reference temperature (°C), temperature coefficient (per °C), and the new temperature (°C). Step 1: Enter Parameters Reference Resistivity, \( […]
Read MoreWire Resistance Calculator Wire Resistance Calculator Calculate the electrical resistance of a wire using: \[ R = \rho \, \frac{L}{A} \] * Enter the wire resistivity (Ω·m), length (m), and cross-sectional area (m²). Step 1: Enter Wire Parameters Resistivity, \( \rho \) (Ω·m): Example: 1.68e-8 Ω·m (Copper) Wire Length, \( L \) (m): Example: 100 […]
Read MoreLED Current Limiting Resistor Calculator LED Current Limiting Resistor Calculator Calculate the resistor value needed for an LED circuit using: \[ R = \frac{V_{\text{supply}} – V_{\text{LED}}}{I_{\text{LED}}} \] * Enter the supply voltage (V), LED forward voltage (V), and LED current (mA). Step 1: Enter Circuit Parameters Supply Voltage, \( V_{\text{supply}} \) (V): Example: 9 V […]
Read MoreWheatstone Bridge Calculator Calculate the unknown resistance \( R_x \) in a balanced Wheatstone bridge using: \[ R_x = \frac{R_2 \times R_3}{R_1} \] * Enter resistor values in ohms, separated by their respective input fields. Step 1: Enter Resistor Values Resistor \( R_1 \) (Ω): Example: 100 Ω Resistor \( R_2 \) (Ω): Example: 150 […]
Read MoreParallel Resistance Calculator Parallel Resistance Calculator Calculate the equivalent resistance of resistors connected in parallel using: \[ \frac{1}{R_{eq}} = \frac{1}{R_1} + \frac{1}{R_2} + \dots + \frac{1}{R_n} \] * Enter resistor values in ohms, separated by commas. Step 1: Enter Resistor Values Resistor Values (Ω): Enter values separated by commas (e.g., 100, 200, 300) Calculate Equivalent […]
Read MoreFerranti Effect Voltage Calculator Estimate the open-circuit (no-load) receiving end voltage due to the Ferranti effect. Formula: \[ V_R = V_S \left[ 1 + \frac{1}{2}\left(\omega\, C_{total}\, Z_c\right)^2 \right] \] where \( \omega = 2\pi f \), \( C_{total} = \text{Capacitance per km} \times \text{Line Length (km)} \times 10^{-6} \) (in F), and \( Z_c \) […]
Read MoreElectrical Generator EMF Calculator Electrical Generator EMF Calculator Calculate the induced EMF (RMS voltage) using: \[ E = 4.44\, f\, N\, \phi \] * Enter frequency (Hz), number of turns, and flux per pole (Wb). Step 1: Enter Generator Parameters Supply Frequency, \( f \) (Hz): Example: 60 Hz Number of Turns, \( N \): […]
Read MoreHydraulic Motor Horsepower Calculator Hydraulic Motor Horsepower Calculator Calculate the hydraulic motor horsepower using the formula: \[ HP = \frac{Q \times P}{1714 \times \eta} \] where \( Q \) is in GPM, \( P \) is in psi, and \( \eta \) is the efficiency. * Enter flow rate (GPM), pressure (psi), and efficiency (%) […]
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